﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using ICSharpCode.PackageManagement;

namespace PackageManagement.Tests.Helpers
{
	public class FakeTask<TResult> : ITask<TResult>
	{
		public bool IsStartCalled;
		public bool IsCancelCalled;
		
		public bool RunTaskSynchronously;
		
		Func<TResult> function;
		Action<ITask<TResult>> continueWith;
		
		public FakeTask(Func<TResult> function, Action<ITask<TResult>> continueWith, bool runTaskSynchronously)
		{
			this.function = function;
			this.continueWith = continueWith;
			RunTaskSynchronously = runTaskSynchronously;
			Exception = new AggregateException(new Exception("FakeTaskAggregateInnerException"));
		}
		
		public void Start()
		{
			IsStartCalled = true;
			if (RunTaskSynchronously) {
				ExecuteTaskCompletely();
			}
		}
		
		public TResult Result { get; set; }
		
		public void ExecuteTaskCompletely()
		{
			ExecuteTaskButNotContinueWith();
			ExecuteContinueWith();
		}

		public TResult ExecuteTaskButNotContinueWith()
		{
			Result = function();
			return Result;
		}
		
		public void ExecuteContinueWith()
		{
			continueWith(this);
		}
		
		public void Cancel()
		{
			IsCancelCalled = true;
		}
		
		public bool IsCancelled { get;set; }
		public bool IsFaulted { get; set; }
		
		public AggregateException Exception { get; set; }
	}
}
